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ROSALBA HERMOSILLO
NPI 1255866570
Social Worker - Clinical in Fullerton, CA

Active since April 24, 2017
1710 ROSECRANS AVE, FULLERTON, CA 92833(714) 447-7785 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 11, 2025, Aug 26, 2019, Jan 22, 2019 and 1 more (4 updates tracked since 2017).

About Rosalba Hermosillo NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROSALBA HERMOSILLO (NPI 1255866570) is an individual clinical provider in Fullerton, California, licensed in California (LCSW91030) and active in the NPI registry since April 2017.

NPPES Registry Identity

NPI1255866570
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameROSALBA HERMOSILLO
Location Address1710 ROSECRANS AVEFullerton, CA 92833-1912
Mailing Address1710 Rosecrans AveFullerton, CA 92833-1912 · (714) 447-7785
Phone(714) 447-7785
Sole ProprietorYes
Enumeration DateApril 24, 2017
Last NPPES UpdateSeptember 11, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2025
✔ NPI 1255866570 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCSW91030
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1710 ROSECRANS AVE, Fullerton, CA 92833
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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CRISTINA MOISA
Psychologist (School)
1710 ROSECRANS AVE
FULLERTON, CA 92833
Orange County (714) 447-7785
CAROL PAIK PPSC
Counselor
1710 ROSECRANS AVE
FULLERTON, CA 92833
Orange County (714) 447-7785

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rosalba Hermosillo's NPI number?

The NPI number for Rosalba Hermosillo is 1255866570. It was assigned to this individual provider in the NPPES registry on April 24, 2017.

Where is Rosalba Hermosillo located?

Rosalba Hermosillo practices at 1710 Rosecrans Ave, Fullerton, CA 92833. The listed phone number is (714) 447-7785.

What is Rosalba Hermosillo's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Rosalba Hermosillo was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.